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How to make a custom Prompt (using getUserConfirmation) for React Router v4
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| // use Prompt like normal... magic happens in getUserConfirmation | |
| class App extends Component { | |
| render () { | |
| return ( | |
| <Router getUserConfirmation={getUserConfirmation}> | |
| {...} | |
| <Prompt | |
| when={formIsHalfFilledOut} | |
| message="Are you sure you want to leave?" | |
| /> | |
| </Router> | |
| ) | |
| } | |
| } | |
| ReactDOM.render( | |
| <App />, | |
| document.getElementById('root') | |
| ) |
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| // default behavior uses window.confirm | |
| const getUserConfirmation = (message, callback) => { | |
| const modal = document.createElement('div') | |
| document.body.appendChild(modal) | |
| const withCleanup = (answer) => { | |
| ReactDOM.unmountComponentAtNode(modal) | |
| document.body.removeChild(modal) | |
| callback(answer) | |
| } | |
| ReactDOM.render( | |
| <UserConfirmation | |
| message={message} | |
| onCancel={() => withCleanup(false)} | |
| onConfirm={() => withCleanup(true)} | |
| />, | |
| modal | |
| ) | |
| } |
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